BOSTON — The Miami Heat will be shorthanded squared when it comes to at least the first week of their Eastern Conference best-of-seven opening-round playoff series against the Boston Celtics. In addition to the Heat being without Jimmy Butler for “several weeks” according to the team, due to a sprained MCL in his right knee, an NBA source confirmed to the South Florida Sun Sentinel that guard Terry Rozier will miss at least another week due to what team is listing is neck spasms. According to such a timetable, the earliest Rozier could return would be next Saturday’s Game 3 against the Celtics at Kaseya Center. Rozier nonetheless traveled Saturday with the Heat.